Isomorphisms of Direct Products of Finite Cyclic Groups
Arai, Kenichi, Okazaki, Hiroyuki, Shidama, Yasunari
Differentiability Properties of Lipschitzian Bilinear Operators in Real Normed Spaces
Nakasho, Kazuhisa, Shidama, Yasunari
Dual Spaces and Hahn-Banach Theorem
Narita, Keiko, Endou, Noboru, Shidama, Yasunari